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EDBT
2009
ACM
164views Database» more  EDBT 2009»
14 years 21 days ago
Fast object search on road networks
In this paper, we present ROAD, a general framework to evaluate Location-Dependent Spatial Queries (LDSQ)s that searches for spatial objects on road networks. By exploiting search...
Ken C. K. Lee, Wang-Chien Lee, Baihua Zheng
CLEF
2007
Springer
14 years 2 months ago
MIRACLE at GeoCLEF Query Parsing 2007: Extraction and Classification of Geographical Information
This paper describes the participation of MIRACLE research consortium at the Query Parsing task of GeoCLEF 2007. Our system is composed of three main modules. First, the Named Geo...
Sara Lana-Serrano, Julio Villena-Román, Jos...
SIGMOD
2010
ACM
154views Database» more  SIGMOD 2010»
13 years 8 months ago
Unbiased estimation of size and other aggregates over hidden web databases
Many websites provide restrictive form-like interfaces which allow users to execute search queries on the underlying hidden databases. In this paper, we consider the problem of es...
Arjun Dasgupta, Xin Jin, Bradley Jewell, Nan Zhang...
GIS
2007
ACM
14 years 9 months ago
Partition-based lazy updates for continuous queries over moving objects
Continuous spatial queries posted within an environment of moving objects produce as their results a time-varying set of objects. In the most ambitious case both queries and data ...
Yu-Ling Hsueh, Roger Zimmermann, Haojun Wang, Wei-...
GIS
2006
ACM
14 years 9 months ago
Efficient GML-native processors for web-based GIS: techniques and tools
Geography Markup Language (GML) is an XML-based language for the markup, storage, and exchange of geospatial data. It provides a rich geospatial vocabulary and allows flexible doc...
Chia-Hsin Huang, Tyng-Ruey Chuang, Dong-Po Deng, H...